1 files changed, 33 insertions, 0 deletions
diff --git a/build2/cxx/utility.ixx b/build2/cxx/utility.ixx
new file mode 100644
index 0000000..c624e87
--- /dev/null
+++ b/build2/cxx/utility.ixx
@@ -0,0 +1,33 @@
+// file      : build2/cxx/utility.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+namespace build2
+{
+  namespace cxx
+  {
+    bool
+    translate_std (scope&, const string&, const value&, string&);
+
+    template <typename T>
+    inline void
+    append_std (cstrings& args, scope& rs, const string& cid, T& t, string& s)
+    {
+      if (auto l = t["cxx.std"])
+        if (translate_std (rs, cid, *l, s))
+          args.push_back (s.c_str ());
+    }
+
+    template <typename T>
+    inline void
+    hash_std (sha256& csum, scope& rs, const string& cid, T& t)
+    {
+      if (auto l = t["cxx.std"])
+      {
+        string s;
+        if (translate_std (rs, cid, *l, s))
+          csum.append (s);
+      }
+    }
+  }
+}